include/wx/dcsvg.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/dcsvg.h
   3 // Purpose:     wxSVGFileDC
   4 // Author:      Chris Elliott
   5 // Modified by:
   6 // Created:
   7 // Copyright:   (c) Chris Elliott
   8 // RCS-ID:      $Id$
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_DCSVG_H_
  13 #define _WX_DCSVG_H_
  14
  15 #include "wx/string.h"
  16 #include "wx/dc.h"
  17
  18 #define wxSVGVersion wxT("v0100")
  19
  20 #ifdef __BORLANDC__
  21 #pragma warn -8008
  22 #pragma warn -8066
  23 #endif
  24
  25 class WXDLLIMPEXP_FWD_BASE wxFileOutputStream;
  26
  27 class WXDLLIMPEXP_CORE wxSVGFileDC : public wxDC
  28 {
  29 public:
  30     wxSVGFileDC (wxString f);
  31     wxSVGFileDC (wxString f, int Width, int Height);
  32     wxSVGFileDC (wxString f, int Width, int Height, float dpi);
  33
  34     virtual ~wxSVGFileDC();
  35
  36     virtual bool CanDrawBitmap() const { return true; }
  37     virtual bool CanGetTextExtent() const { return true; }
  38
  39     virtual int GetDepth() const
  40     {
  41         wxFAIL_MSG(wxT("wxSVGFILEDC::GetDepth Call not implemented"));
  42         return -1;
  43     }
  44
  45     virtual void Clear()
  46     {
  47         wxFAIL_MSG(wxT("wxSVGFILEDC::Clear() Call not implemented \nNot sensible for an output file?"));
  48     }
  49
  50     virtual void DestroyClippingRegion()
  51     {
  52         wxFAIL_MSG(wxT("wxSVGFILEDC::void Call not yet implemented"));
  53     }
  54
  55     virtual wxCoord GetCharHeight() const;
  56     virtual wxCoord GetCharWidth() const;
  57
  58     virtual void SetClippingRegion(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
  59                                    wxCoord WXUNUSED(w), wxCoord WXUNUSED(h))
  60     {
  61         wxFAIL_MSG(wxT("wxSVGFILEDC::SetClippingRegion not implemented"));
  62     }
  63
  64     virtual void SetPalette(const wxPalette&  WXUNUSED(palette))
  65     {
  66         wxFAIL_MSG(wxT("wxSVGFILEDC::SetPalette not implemented"));
  67     }
  68
  69     virtual void GetClippingBox(wxCoord *WXUNUSED(x), wxCoord *WXUNUSED(y),
  70                                 wxCoord *WXUNUSED(w), wxCoord *WXUNUSED(h))
  71     {
  72         wxFAIL_MSG(wxT("wxSVGFILEDC::GetClippingBox not implemented"));
  73     }
  74
  75     virtual void SetLogicalFunction(int WXUNUSED(function))
  76     {
  77         wxFAIL_MSG(wxT("wxSVGFILEDC::SetLogicalFunction Call not implemented"));
  78     }
  79
  80     virtual int GetLogicalFunction() const
  81     {
  82         wxFAIL_MSG(wxT("wxSVGFILEDC::GetLogicalFunction() not implemented"));
  83         return -1;
  84     }
  85
  86     virtual void SetBackground( const wxBrush &brush );
  87     virtual void SetBackgroundMode( int mode );
  88     virtual void SetBrush(const wxBrush& brush);
  89     virtual void SetFont(const wxFont& font);
  90     virtual void SetPen(const wxPen& pen);
  91
  92     virtual bool IsOk() const {return m_OK;}
  93
  94     virtual void SetMapMode( int mode );
  95     virtual void SetUserScale( double x, double y );
  96     virtual void SetLogicalScale( double x, double y );
  97     virtual void SetLogicalOrigin( wxCoord x, wxCoord y );
  98     virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
  99     virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
 100
 101 private:
 102    virtual bool DoGetPixel(wxCoord, wxCoord, wxColour *) const
 103    {
 104        wxFAIL_MSG(wxT("wxSVGFILEDC::DoGetPixel Call not implemented"));
 105        return true;
 106    }
 107
 108    virtual bool DoBlit(wxCoord, wxCoord, wxCoord, wxCoord, wxDC *,
 109                        wxCoord, wxCoord, int = wxCOPY,
 110                        bool = 0, int = -1, int = -1);
 111
 112    virtual void DoCrossHair(wxCoord, wxCoord)
 113    {
 114        wxFAIL_MSG(wxT("wxSVGFILEDC::CrossHair Call not implemented"));
 115    }
 116
 117    virtual void DoDrawArc(wxCoord, wxCoord, wxCoord, wxCoord, wxCoord, wxCoord);
 118
 119    virtual void DoDrawBitmap(const wxBitmap &, wxCoord, wxCoord, bool = 0);
 120
 121    virtual void DoDrawCheckMark(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
 122
 123    virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
 124
 125    virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 126                                   double sa, double ea);
 127
 128    virtual void DoDrawIcon(const wxIcon &, wxCoord, wxCoord);
 129
 130    virtual void DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
 131
 132    virtual void DoDrawLines(int n, wxPoint points[],
 133                             wxCoord xoffset = 0, wxCoord yoffset = 0);
 134
 135    virtual void DoDrawPoint(wxCoord, wxCoord);
 136
 137    virtual void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle);
 138
 139    virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
 140
 141    virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
 142                                   double angle);
 143
 144    virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 145                                        wxCoord w, wxCoord h,
 146                                        double radius = 20) ;
 147
 148    virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
 149
 150    virtual bool DoFloodFill(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
 151                             const wxColour& WXUNUSED(col),
 152                             int WXUNUSED(style) = wxFLOOD_SURFACE)
 153    {
 154        wxFAIL_MSG(wxT("wxSVGFILEDC::DoFloodFill Call not implemented"));
 155        return false;
 156    }
 157
 158    virtual void DoGetSize(int * x, int *y) const
 159    {
 160        if ( x )
 161            *x = m_width;
 162        if ( y )
 163            *y = m_height;
 164    }
 165
 166    virtual void DoGetTextExtent(const wxString& string, wxCoord *w, wxCoord *h,
 167                                 wxCoord *descent = NULL,
 168                                 wxCoord *externalLeading = NULL,
 169                                 const wxFont *font = NULL) const;
 170
 171    virtual void DoSetClippingRegionAsRegion(const wxRegion& WXUNUSED(region))
 172    {
 173        wxFAIL_MSG(wxT("wxSVGFILEDC::DoSetClippingRegionAsRegion Call not yet implemented"));
 174    }
 175
 176    void Init (wxString f, int Width, int Height, float dpi);
 177
 178    void NewGraphics();
 179
 180    void write( const wxString &s );
 181
 182 private:
 183    wxFileOutputStream *m_outfile;
 184    wxString            m_filename;
 185    int                 m_sub_images; // number of png format images we have
 186    bool                m_OK;
 187    bool                m_graphics_changed;
 188    int                 m_width, m_height;
 189
 190 private:
 191    DECLARE_ABSTRACT_CLASS(wxSVGFileDC)
 192 };
 193
 194 #endif // _WX_DCSVG_H_